Rolling machine



1,624,448 *April 12 1927' K,F. UNGERER ROLLING-MAGHINE y Filed June 11.1925 5bybzm Patented Apr. 12, 1927.

PATENT oFFIcE.

KARL FRIEDRICH UNGERER, F PFORZHEIM, GERMANY.

ROLLING- Application led June 11, 1925, Serial No.

My invention relates to a support for the rolls of rolling mills `of thetype in which the rolls are not carried by supporting rolls but bybearings intermediate the main bearings of the roll, and journals ofreduced diameter. Such intermediate bearin s extend only over part ofthe perimeter o their journals and the exposed portion of the journal isprotected b a cap of resilient material, for instance elt', which isheld in position by an arched holder, preferably a U-shaped steel band.

When very thin sheets are rolled, it may happen that the sheet is forcedinto the interstice at the journal which it is bridging so thatlongitudinal corrugations will form in the sheets at each intermediatebearing. This drawback is overcome 'according to my inventionby'providing on the journal fulldiameter collars resembling those fof aVthrust bearing, which support the sheetaat the journals.

This protecting cap and its holder must not project from the surface ofthe roll as otherwise the holder would interfere with the free passageof the sheet: metal. and, moreover, it would be rapidlyfworn down andtherefore the diameter of the journals is so determined that ,the holderis slightly set back from the surface of the roll.

Preferably the bearinrs are .staggered in parallel and adjacent ro lsas'otherwise the material would not be worked along a continuous linewhere such bearings are arranged. Y'

In the drawing aflixed to this specification and forming part thereofa/device embodying my invention is illustrated diagrammatically by wayof example.

In the drawings- Fig. 1 is an end elevation, and

Fig. 2 is an elevation of a bearing designed according to my invention.

Referring now to the drawings, 26' is a bearing block in which thejournal 12 of MACHINE.

36,440, and in Germany December 21, 1923.

a. roll 2 5 is carried by means of a semicircular brass 15. Two collars27, 28, are formed on the journal, their diameter being equal 4to thediameter ofthe roll 25. A holder 29 is placed over the journal and cutopen 5U for the collars 27, 28, so that it is subdivided into threearches, and a felt cap is inserted between each of said arches and thejournal as indicated at 30 for the central arch. The arches are integralwith a strip 31 on both 55 sides of the bearing block, and this stripmay be adjusted by means of a bar 32 and a set screw 34. y

The collars 27 and 28 prevent any lagging of the plate between them. Itwill be understood that the number and width of the collars must bechosen in accordance with given conditions, viz, thickness of plate,length of journal, and pressure exerted.

Instead of connecting both .ends of the strips 21, 22 to a common setscrew 24, each strip might be provided with a set screw of its own sothatcach strip may be adjusted separately. This modification is sosimple that it will readily be understood by an ex- 7o pert withoutbeing illustrated.

I wish it to be understood that I do not desire to be limited to theexact details of construction shown and described, for obviousmodifications wil-1 occur to a person 75 skilled in the art. f

I claim An intermediate support for the rolls of rolling mills,comprising a. journal of reduced diameter in a roll, a bearing exten'd-80 ing over part ofthe perimeter of said journal, collars formed on saidjournal of a diameter equal to that of said roll, caps of resilientmaterial extending over said journal where it is exposed between saidcollars, and means for holding said caps'in position on said journal. f

n testimony whereof I alix my signature.

'KARL ra. UNGERER.

